? ☆ the Hainan magnetic meter offer № № Hainan magnetic meter Hainan magnetic meter price ★ 
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 Hainan magnetic meter ☆: 
 My company R & D and production of the Hainan magnetic meter, based on RF card as the media will be all kinds of information in the form of an induction input to the control CPU of of Hainan magnetic water meter, water the Hainan magnetic water meter purchased by the user automatically open the valve the water supply when remaining water to less than 5m3 (including 5m3) but have not yet exhausted, and every integer (for example, the remaining water to 4m3, 3m3, 2m3, 1m3) the Hainan magnetic meter automatically inside the electric valve closed, the user only with the purchase of water used to write into the the Hainan magnetic meter card sensing area to sense to reopen the electric valve Hainan magnetic meter (the Hainan magnetic meter, the remaining water is less than 5m3 to the exhaustion of this period of time, Hainan magnetic meter five times without water way to remind users to purchase water). To the exhaustion of the remaining water in the Hainan magnetic water meter, if you do not purchase the water and write the the Hainan magnetic meter motorized valve will close until the user to purchase water and write Hainan magnetic water meter within the date. In order to achieve the first to buy the water, the purpose of water ". 
 ? When Hainan magnetic meter exhausted in the remaining water and electric valve is closed, for some reason (such as electric valve internal leak, etc.) there is water flow when the by Hainan magnetic water meter, Hainan magnetic water meter will continue to be measured, the number counted as negative values ??when the user re-purchase of water and write Hainan magnetic meter, Hainan magnetic water meter will first be less negative values ??(ie, the first also super water), if water is not enough deductible newly written negative values ??of super-water Hainan magnetic water meter, electric valve does not open continue to be closed until the remaining amount of water in the Hainan magnetic meter is positive so far. When the Company suffered such as magnetic and other external attacks, within one minute inside the electric valve shut down. At this point, the user can be induced to purchase water card to (sensing area), you can own the electric valve to open and Hainan magnetic meter work properly. However, if such an attack accumulated more than 10 times more users to purchase water card will no longer be able to open its electric valve (in case the user man-made attack), high a check card (water management The department only holds) to the electric valve is opened, the same time attack record clear (after the user configuration of the water cards but also because of the attack and then open the 10th). Enabling it to achieve self-lifting the Hainan magnetic meter was the ability to attack, but also to limit the behavior that it can not indefinitely Hainan magnetic meter man-made attack. The Company produced more than other Hainan magnetic water meter for each presented two of the company's trademark and warnings tamper shrink film, installation, pre-set into to take over, Hainan magnetic water meter installation completed and leak testing and qualified, tamper shrink film in the the Hainan magnetic receiver of the water meter nut, then use the hair dryer (1600w high heat hair dryer) at the tamper shrink film at the blow or above 90 ℃ hot water alignment tamper Pour of shrink film, shrink film, shrink to take over the shape of the nut to the hoop tight. To split the table must be tamper destruction of heat shrinkable film, thus preventing the artificially split the table for the purpose of stealing water. In addition to the above characteristics, the product, the following characteristics: (a) non-contact (RF card) information carriers, electronic wear, fast transmission of information, confidentiality and anti-attack performance, high reliability; (b) with LCD display the total quantities of water purchased, and the remaining water and all kinds of information; when the remaining water is zero or alarm value, automatically close the valve without water; d the entire system is usually in the off state, static power consumption is zero; (e) electric control valve patented electric valve to completely overcome the electromagnetic valve interference and shutdown lax defects; f unique anti-theft of water, tamper table, anti-reversal device; g measurement display using electronic and LCD Dual Display and thus do not affect the the Hainan magnetic meter accuracy verification and validation; h. overall closed-shell design, anti-attack, waterproof, moisture, fumes, anti-knocking; i read and write cards of the sale of water management unit may be used alone, can also use the computer network. The company produces technical parameters are as follows: Working power supply: two 3.6V lithium battery, the working life of 8-10 years; (b) usually work current: 0A; c instantaneous operating current :1-5MA; d. RF card Life time:> 100 000; (e) Working pressure: 1MPa below normal work; (f) the operating temperature range (temperature) :0.3-40 ° C; g. the whole life of 8-10 years. This product complies with the the the GB GB/T778-1996 cold water Hainan magnetic water meter and the line marked CJ/T133-2006 "Hainan magnetic meter standard. 
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 ? A, Hui Yi brand Hainan magnetic meter Introduction to Hainan magnetic meter in recent years aimed at Hainan magnetic meter in the micro flow (less than 8L / H) the development of non-quantified defect. Ordinary the Hainan magnetic water meter due to the movement of the rotating parts and count the gear inertia, so in the measurement process if the water flow to a certain extent will not be able to promote the movement of the impeller and counter gear, thus the micro flow can not be measured, One way less than the starting flow of this drip the Hainan magnetic water meter is not metering to obtain water tube online, so that the water supply enterprises suffered losses. To solve this problem, Beijing Hui Yi has developed a pressure differential integral anti-drip the Hainan magnetic water meter, it simply does not change under the the Hainan magnetic meter movement in advance, in drip drop out of the water first accumulate, save to a certain amount of suddenly promote Hainan magnetic meter rotating impeller to achieve the purpose of drip measurement 
 ? Second, the product uses and characteristics: This series of Hainan magnetic water meter for the total amount of the high sensitivity to flows through the tube drinking water, its main features are as follows: 1, the smaller the initial flow rate, the initial flow rate of less than 0.5L / h; 16 times more than ordinary Hainan magnetic meter; adaptability to water quality: due to the drainage channel between the anti-drip institutions and outlet distance of 4mm, so by particles below 4mm, so that anti-drip institutions will not be impurities in the water is clogged or stuck; 3, anti-slip performance: ordinary movement is the flow rate, not idling, soft diaphragm can offset part of the water hammer pressure, coupled with anti-drip closure of the institution, so the anti-creep performance far superior to the jet and C-level anti-drip the Hainan magnetic water meter; 4, 0.5L / h to 14L / h under the micro-flow state for the intermittent measurement (like displacement Hainan magnetic meter does), and micro- the flow range of measurement error; authoritative experts, convened by the Ministry of Construction and the China Water Association, our identification of the products and technologies, and its technology has reached the leading domestic level. Can guarantee the normal work for more than 10 years of anti-drip institutions. Conditions of use: the work of the water temperature does not exceed 40 ℃, working pressure is not greater than 1Mpa. Four, show error: less than the minimum flow (Qmin) of the trace does not count; from including minimum flow (Qmin) to but excluding the boundaries of flow (Qt) of low district: ± 5%; from including the boundaries of flow (the Qt) to include overload In the upper zone of the flow (Qmax): ± 2%. Pressure loss: △ ≤ 0.1Mpa 
 All the members? Beijing Hui Yihai south magnetic water meter Co., Ltd. sincerely welcome you to the guidance visits of Beijing Huiyi Hai South magnetic meter factory. 
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